Finding the Fourth Proportional to 5,620,366.85, 8,430,856.85 and 1,781,911.67
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Solution
The fourth proportional to 5,620,366.85, 8,430,856.85 and 1,781,911.67 is: 2,672,964.70
Step by Step Solution
- Step 1: Write the proportion equation
5,620,366.85 : 8,430,856.85 = 1,781,911.67 : x - Step 2: Convert to fraction form
5,620,366.85/8,430,856.85 = 1,781,911.67/x - Step 3: Cross multiply
5,620,366.85x = 8,430,856.85 × 1,781,911.67 - Step 4: Simplify right side
5,620,366.85x = 15,023,042,171,414.93 - Step 5: Solve for x
x = 15,023,042,171,414.93/5,620,366.85 - Step 6: Final answer
x = 2,672,964.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.